This document includes (1) a formal letter of complaint by Professor Keith Benn against professor Denis Rancourt, University of Ottawa, sent to dean of the Faculty of Science Andre Lalonde; (2) Lalonde's letter initiating a formal disciplinary investigation; (3) the relevant supporting documents. The issue is that Benn is "seriously offended" by an internal claim of censorship. This issue is described in a post at UofOWatch.blogspot.com